The Mumm-Ra Kodi Addon is a great all-in-one Kodi from Hellhounds Repository. It has a neat interface and has got lots of content in a wide variety of categories.
Some of its categories include Live TV, Sports TV, One Click, TMDB, IMDB, Movies, TV Shows, and more.
How to Install Mumm-Ra Kodi Addon
From the kodi menu click on System Settings Icon
Click on File Manager
Click on Add Source from the left
Select the option NONE
Go to the URL: http://cerbrepo.space/repo/ and click OK
Next in the blank box name the media source Hounds and click OK
Check that this is you entered is correct and click OK
Find the main menu and click Add-ons
From the top-left, click on Add-on Package Installer Icon
Click on Install from zip file
A box will appear select Hounds
Click on repository.hellhounds-2.1.0.zip
After the repository has downloaded a message will appear at the top-right saying Hellhounds Repository Installed
Click on Install from repository
Choose Hellhounds Repository
Click on Video Add-ons
Click on Mumm Ra
Finally for installing the add-on click on Install